TypeError: argument of type 'bool' is not iterable
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Description
Running on local URL: http://0.0.0.0:7860
ERROR: Exception in ASGI application
Traceback (most recent call last):
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/uvicorn/protocols/http/h11_impl.py", line 403, in run_asgi
result = await app( # type: ignore[func-returns-value]
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/uvicorn/middleware/proxy_headers.py", line 60, in call
return await self.app(scope, receive, send)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/fastapi/applications.py", line 1054, in call
await super().call(scope, receive, send)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/applications.py", line 112, in call
await self.middleware_stack(scope, receive, send)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/middleware/errors.py", line 187, in call
raise exc
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/middleware/errors.py", line 165, in call
await self.app(scope, receive, _send)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/gradio/route_utils.py", line 761, in call
await self.app(scope, receive, send)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/middleware/exceptions.py", line 62, in call
await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
raise exc
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/_exception_handler.py", line 42, in wrapped_app
await app(scope, receive, sender)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/routing.py", line 714, in call
await self.middleware_stack(scope, receive, send)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/routing.py", line 734, in app
await route.handle(scope, receive, send)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/routing.py", line 288, in handle
await self.app(scope, receive, send)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/routing.py", line 76, in app
await wrap_app_handling_exceptions(app, request)(scope, receive, send)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
raise exc
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/_exception_handler.py", line 42, in wrapped_app
await app(scope, receive, sender)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/routing.py", line 73, in app
response = await f(request)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/fastapi/routing.py", line 301, in app
raw_response = await run_endpoint_function(
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/fastapi/routing.py", line 214, in run_endpoint_function
return await run_in_threadpool(dependant.call, **values)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/starlette/concurrency.py", line 37, in run_in_threadpool
return await anyio.to_thread.run_sync(func)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/anyio/to_thread.py", line 56, in run_sync
return await get_async_backend().run_sync_in_worker_thread(
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 2470, in run_sync_in_worker_thread
return await future
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/anyio/_backends/asyncio.py", line 967, in run
result = context.run(func, *args)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/gradio/routes.py", line 431, in main
gradio_api_info = api_info(False)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/gradio/routes.py", line 460, in api_info
app.api_info = app.get_blocks().get_api_info()
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/gradio/blocks.py", line 2785, in get_api_info
python_type = client_utils.json_schema_to_python_type(info)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/gradio_client/utils.py", line 893, in json_schema_to_python_type
type = _json_schema_to_python_type(schema, schema.get("$defs"))
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/gradio_client/utils.py", line 947, in _json_schema_to_python_type
des = [
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/gradio_client/utils.py", line 948, in
f"{n}: {_json_schema_to_python_type(v, defs)}{get_desc(v)}"
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/gradio_client/utils.py", line 955, in _json_schema_to_python_type
f"str, {_json_schema_to_python_type(schema['additionalProperties'], defs)}"
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/gradio_client/utils.py", line 901, in json_schema_to_python_type
type = get_type(schema)
File "/home/dgxuser1/miniconda3/envs/trellis/lib/python3.10/site-packages/gradio_client/utils.py", line 863, in get_type
if "const" in schema:
TypeError: argument of type 'bool' is not iterable
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the failure by opening the local URL and follow the traceback from the ASGI application through gradio/routes.py, gradio/blocks.py, and gradio_client/utils.py. Determine why api_info reaches json_schema_to_python_type with a boolean schema, then verify that the local application loads without this TypeError.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- api, backend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100